The prevalence ratios (PRs) (95% CIs) for medium and high BMI (v low BMI) at the age of 25 and at the time for this investigation among PE teachers
↵6-150 BMI of men, low <20.7, medium 20.8–23.7, high ⩾23.8; women, low <19.2, medium 20.8–21.9, high ⩾22.0.
↵6-151 BMI of men, low <23.9, medium 24.0–27.8, high ⩾27.9; women, low <22.7, medium 22.8–27.0, high ⩾27.1.